Home / 28,223.94-38,942.83-16,284.75

Finding the Fourth Proportional to 28,223.94, 38,942.83 and 16,284.75

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Solution

The fourth proportional to 28,223.94, 38,942.83 and 16,284.75 is: 22,469.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,223.94 : 38,942.83 = 16,284.75 : x
  2. Step 2: Convert to fraction form
    28,223.94/38,942.83 = 16,284.75/x
  3. Step 3: Cross multiply
    28,223.94x = 38,942.83 × 16,284.75
  4. Step 4: Simplify right side
    28,223.94x = 634,174,033.56
  5. Step 5: Solve for x
    x = 634,174,033.56/28,223.94
  6. Step 6: Final answer
    x = 22,469.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.